Super fine additive for cement concrete

Super fine additive for cement concrete

  • CN 1,151,991 C
  • Filed: 09/06/1997
  • Issued: 06/02/2004
  • Est. Priority Date: 09/06/1997
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of super fine additive for cement concrete, it contains in 16 kinds of solid concrete admixtures one or more, it is characterized in that:

  • frequency weight distribution 〉

    =1% of the solid concrete admixture particle size range 0.001-1um that is contained, its specific surface area>

    350m 2/ Kg.

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